When stars have a single bad hair day it makes headlines. When they have a ill-advised dye job, it becomes an iconic mistake rehashed in every roundup of their stylistic history. Check out our nominees for the worst colour changes of 2010 and then cast your vote in the poll below.
Style Awards 2010: Worst hair colour
Heigl didn't keep this colour long thankfully. The coffee bean brown shade added a decade onto the 32-year-old actress' look.
Style Awards 2010: Worst hair colour
The supermodel headed off to uni this year and like students the world over went for a chnage. Unfortunately the flat brown shade did nothing for the natural red head.
Style Awards 2010: Worst hair colour
We are all for being ginger and proud, but let's be honest, radio active carrot is not anyone's colour.
Style Awards 2010: Worst hair colour
Only 15-year-old goth teenagers should ever consider a maroon rinse. Cheryl is far to pretty for such a gimmicky hair colour.
Style Awards 2010: Worst hair colour
Is it blonde? Is it gray? Is it an attemp at metalic? Who knows! All we can say for sure is that this mulitcoloured 'do looks like it belongs on a crazy granny not a budding music super star.